- Pro-Russian Chechens are back on Ukraine's front lines, the UK's Ministry of Defence has said.
- Chechen units, once mocked as "TikTok" troops, are now filling gaps left by the Wagner Group.
- Chechen personnel are also training Russian troops, but the training's effectiveness is in doubt.
Pro-Russian Chechens, famed for their social media appearances, have been "pressed back into frontline service" in Ukraine, the UK's Ministry of Defence (MoD) has said.